2,3-Butanediol
A cosmetic ingredient used as fragrance, humectant, skin conditioning in skincare, haircare, and personal-care products sold in the European Union.
What is it?
2,3-Butylene Glycol
What does it do?
2,3-Butanediol is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Fragrance
provides scent or masks the natural odour of other ingredients
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Humectant
draws moisture from the air or deeper skin layers to the surface, helping skin retain water
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Skin conditioning
improves the appearance, feel, and condition of skin
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Solvent
dissolves other ingredients into a uniform liquid phase
EU regulatory status
2,3-Butanediol is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.
Frequently asked questions
What is 2,3-Butanediol?
2,3-Butanediol is a cosmetic ingredient catalogued in the EU CosIng database. 2,3-Butylene Glycol
Is 2,3-Butanediol allowed in cosmetics in the EU?
Yes. 2,3-Butanediol is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does 2,3-Butanediol do in cosmetic products?
2,3-Butanediol is declared in the EU cosmetic ingredient inventory with these functions: fragrance, humectant, skin conditioning, solvent.
What is the CAS number of 2,3-Butanediol?
The CAS (Chemical Abstracts Service) number for 2,3-Butanediol is 513-85-9, 5341-95-7, 24347-58-8.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 12/07/2019